3577| 4
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字碼回零機構是怎樣的? |
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點評
歸零很簡單,把棘輪爪子一松開,盤簧自然轉為零
評分
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小黑屋|手機版|Archiver|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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